Motorcycle backrest



FIG. 1 is a front elevational view of a motorcycle backrest showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view tereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front right perspective view thereof;

FIG. 8 is a rear right perspective view thereof; and,

FIG. 9 is an end view taken along line IX—IX in FIG. 7.

The broken line showing of the environment is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a motorcycle backrest, as shown and described. 